Rewrite WP Taxonomy URLS

wordpress-custom-taxonomy-urls.php

<?php

function custom_post_type() {

	$labels = array(
		'name'                  => _x( 'Resources', 'Resource General Name', 'namspace' ),
		'singular_name'         => _x( 'Resource', 'Resource Singular Name', 'namspace' ),
		'menu_name'             => __( 'Resources', 'namspace' ),
		'name_admin_bar'        => __( 'Resource', 'namspace' ),
		'archives'              => __( 'Resource Archives', 'namspace' ),
		'attributes'            => __( 'Resource Attributes', 'namspace' ),
		'parent_item_colon'     => __( 'Parent Resource:', 'namspace' ),
		'all_items'             => __( 'All Resources', 'namspace' ),
		'add_new_item'          => __( 'Add New Resource', 'namspace' ),
		'add_new'               => __( 'Add New', 'namspace' ),
		'new_item'              => __( 'New Resource', 'namspace' ),
		'edit_item'             => __( 'Edit Resource', 'namspace' ),
		'update_item'           => __( 'Update Resource', 'namspace' ),
		'view_item'             => __( 'View Resource', 'namspace' ),
		'view_items'            => __( 'View Resources', 'namspace' ),
		'search_items'          => __( 'Search Resource', 'namspace' ),
		'not_found'             => __( 'Not found', 'namspace' ),
		'not_found_in_trash'    => __( 'Not found in Trash', 'namspace' ),
		'featured_image'        => __( 'Featured Image', 'namspace' ),
		'set_featured_image'    => __( 'Set featured image', 'namspace' ),
		'remove_featured_image' => __( 'Remove featured image', 'namspace' ),
		'use_featured_image'    => __( 'Use as featured image', 'namspace' ),
		'insert_into_item'      => __( 'Insert into item', 'namspace' ),
		'uploaded_to_this_item' => __( 'Uploaded to this item', 'namspace' ),
		'items_list'            => __( 'Resources list', 'namspace' ),
		'items_list_navigation' => __( 'Resources list navigation', 'namspace' ),
		'filter_items_list'     => __( 'Filter items list', 'namspace' ),
	);
	$args = array(
		'label'                 => __( 'Resource', 'namspace' ),
		'description'           => __( 'Resource Description', 'namspace' ),
		'rewrite'               => array( 'slug' => 'resources' ),
		'labels'                => $labels,
		'supports'              => array( ),
		'taxonomies'            => array( 'resource_type' ),
		'hierarchical'          => false,
		'public'                => true,
		'show_ui'               => true,
		'show_in_menu'          => true,
		'menu_position'         => 5,
		'show_in_admin_bar'     => true,
		'show_in_nav_menus'     => true,
		'can_export'            => true,
		'has_archive'           => true,
		'exclude_from_search'   => false,
		'publicly_queryable'    => true,
		'capability_type'       => 'page',
		'show_in_rest'          => true,
	);
	register_post_type( 'resources', $args );

}
add_action( 'init', 'custom_post_type', 0 );

function resource_taxonomy() {

	$labels = array(
		'name'                       => _x( 'Resource Types', 'Taxonomy General Name', 'namspace' ),
		'singular_name'              => _x( 'Resource Type', 'Taxonomy Singular Name', 'namspace' ),
		'menu_name'                  => __( 'Resource Type', 'namspace' ),
		'all_items'                  => __( 'All Resource Types', 'namspace' ),
		'parent_item'                => __( 'Parent Resource Type', 'namspace' ),
		'parent_item_colon'          => __( 'Parent Resource Type:', 'namspace' ),
		'new_item_name'              => __( 'New Resource Type Name', 'namspace' ),
		'add_new_item'               => __( 'Add New Resource Type', 'namspace' ),
		'edit_item'                  => __( 'Edit Resource Type', 'namspace' ),
		'update_item'                => __( 'Update Resource Type', 'namspace' ),
		'view_item'                  => __( 'View Resource Type', 'namspace' ),
		'separate_items_with_commas' => __( 'Separate items with commas', 'namspace' ),
		'add_or_remove_items'        => __( 'Add or remove items', 'namspace' ),
		'choose_from_most_used'      => __( 'Choose from the most used', 'namspace' ),
		'popular_items'              => __( 'Popular Resource Types', 'namspace' ),
		'search_items'               => __( 'Search Resource Types', 'namspace' ),
		'not_found'                  => __( 'Not Found', 'namspace' ),
		'no_terms'                   => __( 'No items', 'namspace' ),
		'items_list'                 => __( 'Resource Types list', 'namspace' ),
		'items_list_navigation'      => __( 'Resource Types list navigation', 'namspace' ),
	);
	$args = array(
		'labels'                     => $labels,
		'hierarchical'               => true,
		'public'                     => true,
		'show_ui'                    => true,
		'show_admin_column'          => true,
		'show_in_nav_menus'          => true,
		'show_tagcloud'              => true,
		'show_in_rest'               => true,
		'rewrite'                    => array( 'slug' => 'resources' ),
		'rest_base'                  => 'resource_type',
	);
	register_taxonomy( 'resource_type', array( 'resources' ), $args );

}
add_action( 'init', 'resource_taxonomy', 0 );

function generate_taxonomy_rewrite_rules( $wp_rewrite ) {
	$rules = array();
	$post_types = get_post_types( array( 'name' => 'resources', 'public' => true, '_builtin' => false ), 'objects' );
	$taxonomies = get_taxonomies( array( 'name' => 'resource_type', 'public' => true, '_builtin' => false ), 'objects' );

	foreach ( $post_types as $post_type ) {
		$post_type_name = $post_type->name; // 'developer'
		$post_type_slug = $post_type->rewrite['slug']; // 'developers'

		foreach ( $taxonomies as $taxonomy ) {
			if ( $taxonomy->object_type[0] == $post_type_name ) {
				$terms = get_categories( array( 'type' => $post_type_name, 'taxonomy' => $taxonomy->name, 'hide_empty' => 0 ) );
				foreach ( $terms as $term ) {
					$rules[$post_type_slug . '/' . $term->slug . '/?$'] = 'index.php?' . $term->taxonomy . '=' . $term->slug;
				}
			}
		}
	}
	$wp_rewrite->rules = $rules + $wp_rewrite->rules;
}
add_action('generate_rewrite_rules', 'generate_taxonomy_rewrite_rules');

?>